A. Sb B. P 3- C. Sr 2+ D. Br E. Ar. -> Rb+ is isoelectronic with Br- (36e-). Rb+1 is isoelectronic with Krypton (Kr) Step-by-step explanation Isoelectronics: species that have the same number of electrons Be+2 is isoelectronic with Helium (He) Be +2 (Z = 4) atomic number (Z) = number of protons = 4 number of electrons = number of protons - charge = 4 - 2 = 2 Electron configuration of Be +2: 1s 2 [JEE Main-2016] (1) Rb (2) Na (3) K (4) Sc . 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Figure 9.6.1: Levitating pyrolytic carbon: A small (~6 mm) piece of pyrolytic graphite levitating over a permanent neodymium magnet array (5 mm cubes on a piece of steel). Answer: For consecutive elements proceeding down any group, anions have larger principal quantum numbers and, thus, larger radii. Explain. Which ion is not isoelectronic (i.e. (d) located in d orbitals. Write the electron dot structures for the following elements: The greatest increase in ionization enthalpy is experienced on the removal of an electron from core noble gas configuration. The minimum energy required to remove the most loosely held electron is . Atomic radius increases right to left and top to bottom Answer (1 of 5): Ions are the group of atoms or molecules that will gain or lose an electric charge. - Selenium (34 Se) element is a) a nonmetal b) found in group 6A c) found in period 2 d) both a and b 28. Each orbital can accommodate two electrons and therefore, a total of 14 electrons can fill the given f sublevel. halide ions solvated by noble gas atoms.27{33 Moreover, to our knowledge, a system-atic investigation has yet to be performed on metal cations and their corresponding isoelectronic anions. D. ns2np3. According to the Pauli Exclusion Principle which states that no two identical electrons may take up the same quantum state at the same time, the electron spins are oriented in opposite directions. kyger funeral home in harrisonburg, va; meikakuna whiskey review The term itself usually refers to the magnetic dipole moment. Explain. the IE 1 value is in the range of noble gas, moreover for this element both IE 1 and IE 2 are higher and . Atoms or ions with the same electronic configurations are said to be isoelectronic to each other or to have the same isoelectronicity. Anything that is magnetic, like a bar magnet or a loop of electric current, has a magnetic moment. What neutral atom is isoelectronic with the F- ion? Number of electrons in Sr = 38 (Atomic number of Sr is 38) Thus, number of electrons in Sr2+ = 36 ( 2 electrons are lost) Among the given options, Rb+ also contains 36 electrons. Atomic Structure and Electron Configurations Multiple Choice PSI Chemistry . D. It has 1 electron in its highest occupied subshell. a. Only paramagnetism, and diamagnetism are discussed here. C. ns2np4. A magnetic moment is a vector quantity, with a magnitude and a direction. Li or Be (According to general trends in the periodic table, predict which element in each of the following pairs has greater metallic character.) The general electron configuration for noble gas atoms is A. ns2np6. 12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an . (a) in s orbitals only. The electronic configuration of anions is assigned by adding electrons according to Aufbau's building up principle. Consider an atom of potassium, K, in its ground state. Arrange them in order of increasing radius: rb+, y3+, se2-, br-, sr2: compare the elements na, o, mg and p. place the elements in order of increasing. ), S or Ar (According to general trends in the periodic table, predict which element in each of the following pairs has greater metallic character.). Like 0 Dislike 0 Report. Identify another ion that is isoelectronic with Na+. Chemistry. However, how do we know that this is actually taking place and how do we trace what orbital(s)are losing/gaining electrons? Use the periodic table to order the following sets of elements in increasing atomic radius: a) Sn, Rb, Pd, Te, I b) Te, O, S, Se, Lv c) Sr, Na, Cr, P, F Exercise 2. As b. Rb c. O 67. are found primarily in the Earth's crust in silicate minerals; examples include Li, Mg . houston art competitions 2022. profane objects examples; About. From Highest to Lowest ionization energy Nobel Gases, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown. 1. . Diatomic oxygen, \(O_2\) is a good example of paramagnetism (that is best understood with molecular orbital theory). Video Transcript. 1 Lakshmi KrishnaKumar Studied at Kendriya Vidyalaya Ottapalam Author has 79 answers and 40.6K answer views 11 mo Related They all have [Ne] 3s0 = 1s2, 2s2 2p6, 3s0. To find out what is happening, fill in each blank with the appropriate form of one of the verbs listed below. Negative ions are isoelectronic with the noble gas at Check all that apply. A) Mg^{2+} B) P^{2-} C) Cs^+ D) Se^{2-} E) Ba^{2+}, Which noble gas ks isoelectronic with each of the following metal ions? Q: Write the full ground-state electron configuration for each: (a) S (b) Kr (c) Cs. An ac generator has a frequency of 4.80 kHz and produces a current of 0.0400 A in a series circuit that contains only a. capacitor. Metal oxides - are basic. Basic Life Support: CPR and First Aid; First Aid for Hazardous Marine Life Injuries; Oxygen First Aid for Scuba . The outer electron configuration of the noble gases is a) ns 2 np 6 b) ns 2 nd 10 c) ns 2 np 4 d) ns 2 np 8 29. The noble gas electron configuration for iron(II) ion is [Ar] 3d 6. of electrons remaining in the atom is 12-2=10 . 5. while geneticists in the past did not have software simulators to speed things up, one of the reasons why fruit flies are so-well studied in the field of genetics is their relatively short, Based on what you hear, write what each person feels using tener expressions. Is rubidum form the positive ion Rb plus is this ion larger or smaller than the neutral atom. What is the noble gas electron configuration for Sn2+ ion? (b) N3- is isoelectronic with Ne. That is why, we see the charge of a chlorine ion as -1, not +7. (a) potassium ion (b) nitride ion (c) strontium ion (d) iodide ion Answers: (a) K+ is isoelectronic with Ar. Recommend Documents. Isoelectronic species corhguratl.ns Ne Mg tsoelectronic series: all these species have ten electrons: 6 . 1 in Group 4A(14) C e. Advertisement Advertisement Group of answer choices 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 1s2 2s2 2p6 3s2 3p6 4p6 4d10 1s2 2s2 2p6 3s2 3p6 3d10 4p6 1s2 2s2 2p6 3s2 3p6 4s2 4p6. 1. Since there is an unpaired electron, Cl atoms are paramagnetic (albeit, weakly). . Which two species are isoelectronic (identical electron configurations)? Question 35. Cl-S3-I+ K-O2+ 14. 241 downloads 0 Views 318KB Size. Which of the following ions have noble gas electron configurations? Both ions Mg2+ and Al3+ and atoms of Ne are isoelectronic with ABH 611 Rock Springs Rd, Escondido, CA 92025, when was the epic of gilgamesh discovered, grady college of journalism acceptance rate. (i) Electron gain enthalpy of element A has large negative value than that of C. Noble gases. Which of the following are isoelectronic with the potassium ion, K^+? What is the noble gas configuration for B3+? 2. (Li, Na, K, Rb, Cs) Common Lewis symbol of Group I A becomes (Ans. Also, the real electron configuration of an atom may differ from the prediction because of . It accommodates up to 10 guests in 5 bedrooms and 3 bathrooms. So, we should look for ions and noble gases, and the only ions in the list are: Bromide = Br - Barium cation = Ba 2+ Iron (III) = Fe 3+ Selenide = Se 2- d. increasing isotopic mass. An extended periodic table theorises about chemical elements beyond those currently known in the periodic table and proven. A. Rb + B. the chloride ion (Cl-) is isoelectronic with the noble gas argon at Metal oxides - are basic. To date the only other noble gas compounds known are KrF 2 and HArF. Element Z is . Answer: (a) noble gas; (b) chalcogen; (c) alkaline earth metal; (d) alkali metal. So fluoride is isoelectronic with neon. The more the no. (4. EA is the ability of an element or ion to gain an electron. (c) Sr2+ is isoelectronic with Kr. The s-Block Elements The element of the group-1 i.e., alkali metals and group-2 i.e. A.) alisisneros26. (d) I- is isoelectronic with Xe. 2A B. In reality, the Cu+ion is not attracted to a magnetic field, indicating that it has no unpaired electrons. Examples. Br, F, I, Cl. 1. Get access to this video and our entire Q&A library, Electron Configurations in the s, p & d Orbitals, Which noble gas is isoelectronic with the Cs+ ion? Nonmetal oxides - are acidic. Of course, we must simply remember that when we use iodine, we work with the diatom, #I_2#, as indeed are all of the halogens.. How do electron configurations in the same group compare? Element Z is . Question: > Question 1 22. C. It makes a +5 cation to become isoelectronic with Krypton. a) Na+ and K+ b) Cl- and F- c) Ca2+ and Mg2+ d) Al3+ and Ne e) P-. Why does the stability of a noble gas electron configuration contribute to the formation of covalent bonds? a. S2- b. Ar c. Sc3+ d. Ti4+ e. Ga3+, Which one of the following series has four atoms or ions that are isoelectronic? No noble gas is isoelectronic with the element chlorine . F^-Na^+ . (c) Li^+ and He. Which element is the most electronegative one: a. F^-Na^+ . The "Mg"^(2+) ion is formed when the neutral magnesium atom loses 2 electrons, which brings its total number of electrons to 10. 4. a) V3+ b) Ca2+ c) Ar d) Cl- e) S2-. The number of unpaired dots corresponds to the number of bonds an atom of the element can form in a molecular compound without expanding the octet (Section 9). What are valence electrons? Which response contains all the true statements and no others? a) Na+, K+, Rb+, Cs+ b) Mg2+, Ca2+, Sr2+, Ba2+ c) N, O, F, Ne d) F-, Cl-, Br-, I- e) N3-, O2-, Mg2+, Al3+. Since the number . a.Se^2+ b.Br^- c.Sr^2+ d.K^+. Atoms and ions that have the same electron configuration are said to be isoelectronic. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Which one of the following is NOT isoelectronic with Kr? a. Kr; Ne b. Kr; He c. Ar; He d. Ar; Ne e. Ar; Ar. Report. b. Rb c. K d. Cl e. Na ____ 10. Diamagnetism, to a greater or lesser degree, is a property of all materials and always makes a weak contribution to the material's response to a magnetic field. All other trademarks and copyrights are the property of their respective owners. Explain. Predict the atomic radius for potassium, K, given the atomic radius of rubidium, Rb, (0.247 nm) and cesium, Cs, (0.265 nm). A: The electron configurations of the given isoelectronic ions are, Y3+ = 1s2 2s2 2p6 3s2 3p6 3d10 4s2 Q: Arrange this isoelectronic series in order of decreasing radius: F,02-, Mg+, Na*. Refer to the periodic table and predict which of the following ions are isoelectronic with the noble gas krypton. The P3- ion is isoelectronic with the noble gas argon. This ion is a(n) anion or cation? In Chapter 2, we discussed the charges of ions formed for main group elements as the gaining or losing of electrons to obtain the same number of electrons as the nearest noble gas. It loses one electron to gain a positive charge and change to Rb+ which has 36 electrons and is a cation that is isoelectronic with krypton. D) Halogens tend to have cleansing properties and their reactivity increases as one proceeds down the column. b) Calculate the wavelength (in nm). 13. Which is larger? a. Rb, Sr2+, S2-, Br- b. Se2-, Br- c. Se2-, Sr2+, Br- d. Se2-, Sr2+, Br-, Ar e. Sr2+, Br-, Ar. What neutral atom is isoelectronic with the Sn4+ ion? As c. Fe d. Br. What neutral atom is isoelectronic with the Ca2+ ion? Noble gas configuration is a shorthand electronic configuration that uses the last noble gas symbol that is included in the electronic configuration Our experts can answer your tough homework and study questions. The term means "equal electric" or "equal charge". Magnesium has an atomic number of 12, which means its neutral atom has 12 electrons. Rb 1 sru y3t set br ionization energy: electron affinities can be negative, positive, or neutral. This causes the magnetic fields of the electrons to cancel out; thus there is no net magnetic moment, and the atom cannot be attracted into a magnetic field. Josh8t. Arrange them in order of decreasing radius: Rb+ Y3+ Br- Sr2+ Se2- Expert Answer 100% (20 ratings) The ions in order of decreasing ionic radius is:Se2- > Br- > R View the full answer Previous question Next question This capability allows paramagnetic atoms to be attracted to magnetic fields. ii It. Due to the scarcity of computational data of atomic properties of 4. Which neutral atom is isoelectronic with O_2? Categorize the isoelectronic group of ions in the following ions? A. O2+ B. F- C. Mg2+ D. Li+, Which of the following is isoelectronic with P3-? 13. Diamagnetic materials are repelled by the applied magnetic field. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. If the element is in the fourth row of the periodic table, it is in period four. \\ \begin{bmatrix} Ca^{20},\ Na^{11},\ Cl^{17},\ Mg^{12},\ Al^{13} \end{bmatrix}. Ik '5^ Section 6 Electron Configurations and the Periodic Table What is a "noble gas core"? The electron configuration of Ar is shown below: Ar 1s^2 2s^2 2p^6 3s^23p^6 a. Cl^-. 5. Which of the following are isoelectronic species: Na^+, K^+, Mg^{+2}, Ca^{+2}, S^{2-}, Ar? Not a neutral Cl atom but the chloride ion Cl- is isoelectronic with the noble gas argon. Periodic Trends Multiple Choice Review PSI Chemistry Name_____ Atomic Size 1) Elements Z and X are compared. Which of the following ions is not isoelectronic with the others? Se 2-C. As 5+ D. Sr 2+ Correct Answer: C. Explanation: (C) All of the ions in this question are isoelectronic with the noble gas krypton except arsenic. . What is the electron configuration for a nitride ion? Pedro tiene hambre . An element with a high EA is more stable as a negatively charged ion. Which ion below has a noble-gas electron configuration? b. the atomic no of oxygen is 8 to reach the nearest noble gas 2. This preview shows page 1 - 3 out of 3 pages. We can study the magnetic properties of matter to help us tackle this problem. The valence electrons of representative elements are. Arsenic would have to be a 3- ion to be isoelectronic with krypton. (one from each of the two lith- ium atoms) to form the oxide ion. The noble gas electron configuration for iron(II) ion is [Ar] 3d 6. Ans: Strontium (Sr+). The transition metals still do not end up being isoelectronic with a noble gas, but the loss of two . ), Mg or Na (According to general trends in the periodic table, predict which element in each of the following pairs has greater metallic character. Cations are those with positive charge and always give electrons to other molecules. . If not, there should be. Which of the following species is isoelectronic with Cl-a) K+ b) Na + Which noble gas is isoelectronic with each of the following metal ions? (a) He (b) Ne (c) Ar (d) Kr. FlexBook Platform, FlexBook, FlexLet and FlexCard are registered trademarks of CK-12 Foundation. Give the electron configurations of these ions, and indicate which ones are isoelectronic. Question: > Question 1 22. a. Ca^{2+} b. K^{+} c. I^{-} d. Mg^{2+} e. Sr^{2+}. Mg 2+ or Br - Exercise 3. A teacher walks into the Classroom and says If only Yesterday was Tomorrow Today would have been a Saturday Which Day did the Teacher make this Statement? It is also possible for cations, positively charged ions, to be isoelectronic with the argon atom in its ground state. explain? Ans: Strontium (Sr+). Li+, Na+, K+, Rb+,Cs+ These ions are not isoelectronic but they belong to the 1st group or alkali metals. Element 43 (technetium), element 61 (promethium), and most of the elements with atomic number 84 (polonium) and higher have their atomic mass given in . The electron configuration for Ca2+ is the same as that for Argon, which has 18 electrons. As +3. Learn about the s, p, and d orbital electrons, and use the periodic table to understand orbitals and placement. Visit Us 4201 Wilson Blvd, Suite 300, Arlington, VA 22203 jabra evolve 65 connect to pc without dongle FREE QUOTE. 0415 Fuel oil bunkering, Effective practice and sampling. A. Ne B. Ar C. Kr D. Xe, Which of the following species is isoelectronic with Ar? 2. For Zn atoms, the electron configuration is 4s23d10. The electronic configuration of cations is assigned by removing electrons first in the outermost p orbital, followed by the s orbital and finally the d orbitals (if any more electrons need to be removed). The ions that we are considering RSC two minus, S. R two plus, R. V. Plus and br minus. What is an autosomal trait? Like 0 Dislike 0 Report. Its administrative center is the city of Sofia, the capital of the country. [Ne]3s23p6 In such cases sizes are compared according to the trend in the group or period. Na(1s22s22p63s1) e- + Na+([He]2s22p6) [isoelectronic with Ne] Br([Ar]4s23d104p5) + e- Br- ([Ar]4s23d104p6) [isoelectronic with Kr] 8-59 Figure 8.25 Main-group elements whose ions have noble gas electron configurations. The magnetic form of a substance can be determined by examining its electron configuration: if it shows unpaired electrons, then the substance is paramagnetic; if all electrons are paired, the substance is diamagnetic. Increase in size down group Decrease in size across period Consider O vs O^' \s^2s^2p^ 73 pm 140 Also isoelectronic with Ne F vs F" \s^2s^2p^ \s^2s^2p^ 72 pm 136 pm Also isoelectronic with Ne (due to same trend as radii, (due to (same number . We add electrons to fill the outermost orbital that is occupied, and then add more electrons to the next higher orbital. Are the ions S2-, Mg2+, and Cl- isoelectronic? I. The energy of an ionic bond is proportional to the size of the ion charges. Explain. It is isoelectronic with the noble gas Xe. Why are they so important in chemistry? "Bonding Basics" - WS #1 Directions: Please answer each fill in the blank with the best answer. It is written as a 5+ ion. -> Rb+ is isoelectronic with Br- (36e-). Which of the following is not isoelectronic with the others? Cool. of living space. I was thinking Krypton because it is a noble gas and it is the closest to . Which neutral atom is isoelectronic with each of the following ions: Ga3+, Zr4+, Mn7+, K+, Sn4+? EA can be positive or negative. What neutral atom is isoelectronic with the K+ ion? a Ar b Cl^+ c Kr d Cl^- e Ca^+, Which of the following ions are isoelectronic with Kr? The magnesium ion has an electron configuration like that of which noble gas? 12. A. As^(3-) B. Sn^(4+) C. Al^(3+) D. Si^(4+), Which of the following ions are isoelectronic with Xe? The way we designate electronic configurations for cations and anions is essentially similar to that for neutral atoms in their ground state. 228 solutions. Chloride is isoelectronic with argon. +1) Charge of the cations formed by Group II A: alkali earth metals (Be . The electron configuration for calcium is: . Course Hero is not sponsored or endorsed by any college or university. 2. . Sofia City Province ( Bulgarian: -, romanized : Oblast Sofiya-grad) is a province ( oblast) of Bulgaria. What are the 4 major sources of law in Zimbabwe? Which element has the highest first ionization potential: a. boron b. fluorine c. carbon 66. The first thing you need to remember here is that there are seven f orbitals because l = 3, so the possible ml values are 3, 2, 1, 0, +1, +2, and +3. Which of the following elements is a noble gas? A. K^+ B. Sr^2+ C. Br^- D. Se^2+, A monatomic ion with a charge of -2 has an electronic configuration of 1s^2, 2s^2, 2p^6 1) Is this ion an anion or cation? Complexation of the iron(III) by the thiocyanate ion 3. true B.) Since we need to take away two electrons, we first remove electrons from the outermost shell (n=4). Which element has the highest first ionization potential: a. boron b. fluorine c. carbon 66. Minecraft God Enchant Command, 1. The more the no. Report. The ion that is isoelectronic with CO is: a) CN- b) N2+ c) O2- d) O2+. Atomic Structure and Electron Configurations Multiple Choice PSI Chemistry . Isoelectronic ions are ions that have same 2. . This explains the anomalous electron configuration of the transition metals and allows us to refine the electron configuration of Cu as:1s22s22p63s23p64s13d10(paramagnetic, 1 unpaired electron)and so becomes Cu+:1s22s22p63s23p63d10(diamagnetic; no unpaired electrons) so that we are consistent with experimental data. South Cotabato Jail Reaction Paper, rb+1 is isoelectronic with which noble gas, do they still make chocolate soldier drink, porque se me cierran las aplicaciones en mi tablet. Each time we move from one element to the next across a period, Z increases by one, but the shielding increases only slightly. (c) located closest to the nucleus. Our goal is to thoroughly describe the relationship between the structures and energetics of isoelectronic alkali metal cations and halide ions solvated . This means that a neutral krypton atom has 36 electrons surrounding its nucleus. a) Al3+, Na+, F-, O2- b) O2-, F-, Na+, Mg2+, Al3+, Which of the following ions have noble gas electron configurations? As of 2023, the element with the highest atomic number known is oganesson (Z = 118), which completes the seventh period (row) in the periodic table.All elements in the eighth period and beyond thus remain purely hypothetical. A. SrO Ca 3N 2 GaS Li 2S MgS 16. Because unpaired electrons can orient in either direction, they exhibit magnetic moments that can align with a magnet. Examples N 3-, O 2-, F -, Ne, Na +, Mg 2+, Al 3+ This series each have 10 electrons. Which of the following ions is isoelectronic with the noble gas neon? rb+1 is isoelectronic with which noble gasmartin et julien bouchet biathlon According to periodic table, atomic number of krypton is 36, which is a noble gas and belongs to 18th group with electronic symbol Kr. You are correct it would be isoelectronic with the Noble Gas, #Xe# And thus elemental iodine, the atom, is a reasonably strong oxidant, and we use the #"old aufbau principle"#, and distribute 54 electrons.. #I:# #1s^(2)2s^(2)2p^6 3s^ 2 3p^ 6 3d^ 10 4s^ 2 4p^ 6 4d^ 10 5s^ 2 5p^ 5.#. 7.4: Electron Configurations of Ions is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts. Why are they so important in chemistry? Magnesium has an atomic number of 12, which means its neutral atom has 12 electrons. The electronic configuration for Cl- can, therefore, be designated as 1s22s22p63s23p6. 2 The answer is e) Sr^(2+) For an ion to be isoelectronic with an atom (or with another ion), it must have the same number of electrons surrounding its nucleus. Predict the atomic radius for potassium, K, given the atomic radius of rubidium, Rb, (0.247 nm) and cesium, Cs, (0.265 nm). CHEMTOURS Tutorial: Click Chapter 7 "Electron Configuration". . Order the following ions from smallest to largest. (a) in s orbitals only. 3s. C l ? Paramagnetism refers to the magnetic state of an atom with one or more unpaired electrons. Electron Configuration K+ P3-Cl-Ca2+ Answers They are all the same 1s22s22p63s23p6 All isoelectronic with Argon Example 2: Circle all the ions below that are isoelectronic with neon: Isoelectronic Ions Law of physics published in 1783 Basically describes how opposites attract. Isoelectronic Atoms & ions that possess the same number of . The Noble Gases They are all nonmetals and monatomic. 2 Give an example: the following species are isoelectronic with the noble gas kr. A) I B) Co C) Ba D) Sr E) Ca 8) Which one of the following elements has the largest atomic radius? MsRazz ChemClass. Philippines | May 1-11, 2023; West Palm Beach, Florida | May 5-8, 2023; West Palm Beach, Florida | May 19-22, 2023; West Palm Beach, Florida | June 2-5, 2023; West Palm Beach, Florida | June 16-19, 2023; Safety. D) Halogens tend to have cleansing properties and their reactivity increases as one proceeds down the column. Are the ions Cl- and Ca2+ isoelectronic? Explain. S c 3 + a n d A r iii. Noble gases are not included in these description. This unique villa offers 300 sq.m. (a) potassium ion (b) nitride ion (c) strontium ion (d) iodide ion Answers: (a) K+ is isoelectronic with Ar. The ionic sizes increases from Li+to Cs+. effect. noble-gas elements which are stable mono-atomic gases. Modified by Ronia Kattoum(UA of Little Rock). Which of the following atoms and ions is (are) isoelectronic with each other: (a) Cl^{3+} and Si. The province borders on Sofia Province and Pernik Province. The last electron added has the value of l=1. i. b. K^+. Na+: Explain. The chloride ion (Cl-), on the other hand, has an additional electron for a total of 18 electrons. 2. a. Xe b. Ne c. Rn d. Ar e. Kr, Which of the following species is not isoelectronic with any of the others? Answer: Isoelectronic species are known as atoms or ions that have the same number of electrons. Ans: Strontium (Sr+). 3. the IE 1 value is in the range of noble gas, moreover for this element both IE 1 and IE 2 are higher and . with the noble gas at the end of the previous period. Just remember though that each those halogens have one LESS proton than the noble gas it is next to and therefore is a -1 anion because of the slight excess of one electon. An (mono atomic) ion is called isoelectronic with another element (or ion) when it has the same number of electrons with it. c. Br^-. 1/2 and n0P 1/2,3/2(n = 4,n0= 5,6) states of Rb-isoelectronic Tc (Tc VII), Ru (Ru VIII) and Rh (Rh IX) ions for their applications in the analysis of astrophysical phenomena occurring inside celestial bodies containing Tc, Ru and Rh ions. b. What are some examples of electron configurations.
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rb+1 is isoelectronic with which noble gas